Embedded platform executable file on-line loading software
An executable file, embedded technology, applied in the direction of program loading/starting, response error generation, program control design, etc. problems, to achieve the effect of improving the level of intelligence and technological maturity, improving loading efficiency, and improving the degree of intelligence
Pending Publication Date: 2021-07-02
CHINESE AERONAUTICAL RADIO ELECTRONICS RES INST
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Problems solved by technology
[0006] c) Use a specific downloader to load and solidify, and the operation process is cumbersome, which is not conducive to batch operation;
[0007] d) Executable file inspection methods are relatively complicated, which is not conducive to promotion;
[0008] e) The loading and curing of executable files has poor error tolerance and error correction ability, which is closely related to the operation level of the operator who loads and cures executable files
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[0035] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0036] The entire embedded platform online loading system includes an embedded platform (loaded end) and an executable file storage host (loaded end). The architectural relationship between the loading end and the loaded end is as follows: figure 1 shown. The loader stores each loaded executable file that needs to be loaded, and the user issues relevant loading commands (including but not limited to According to the target to be loaded and the loading method), the loading end responds to the loading command sent by the user, and uses the communication mechanism between the loading end and the loaded end to send the loading command and related executable file data to the loaded end. At the same time, the loader receives the current loading status data fed back by the loader. The architectural relationship of the loader software is as follows...
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The invention discloses embedded platform executable file on-line loading software which comprises an entry exit program and an on-line loading strategy program, an embedded platform is a loaded end, the entry exit program judges whether a loading mode entry mark is valid or not after being powered on / reset, and when the loading mode entry mark is invalid, the embedded platform enters application management software, and otherwise, the embedded platform enters the on-line loading strategy program to carry out solidification loading on an executable file. After receiving a loading quit command, the entry exit program checks whether the quit condition of the executable file on-line loading software is met or not, and if the quit condition is met, the loading mode entry mark is cleared away, and then the application management software is switched to be powered off or reset and restarted. According to the invention, the function of in-situ online loading of the executable file is realized, and the fault-tolerant error correction capability and the data inspection capability are also realized.
Description
technical field [0001] The invention belongs to the field of airborne computers in avionics systems, and in particular relates to an online loading software for executable files of an embedded platform, which is used for loading and curing executable files of comprehensive embedded avionics equipment without an operating system (that is, bare metal). Background technique [0002] At present, with the rapid development of comprehensive embedded avionics system technology, embedded avionics equipment is gradually developing in the direction of integration, diversification and complexity. The attention paid to the executable file loading and curing method is also getting higher and higher. Therefore, on the premise of avoiding the complicated operation of disassembling the embedded avionics and ensuring the reliability and safety of the executable file loading and curing, how to achieve high reliability Safe online loading of executable files has become a research hotspot in th...
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IPC IPC(8): G06F9/445G06F11/10
CPCG06F9/44505G06F9/44594G06F11/10
Inventor 张文杨吉沛琦王健穆春鑫王为翔
Owner CHINESE AERONAUTICAL RADIO ELECTRONICS RES INST